Finding the Third Proportional to 443,073 and 664,447.50

Step by Step Solution

1. Step 1: Write the proportion equation
   443,073 : 664,447.50 = 664,447.50 : x
2. Step 2: Convert to fraction form
   443,073/664,447.50 = 664,447.50/x
3. Step 3: Cross multiply
   443,073x = 664,447.50 × 664,447.50
4. Step 4: Simplify right side
   443,073x = 441,490,480,256.25
5. Step 5: Solve for x
   x = 441,490,480,256.25/443,073
6. Step 6: Final answer
   x = 996,428.31